Investor profile - MA

James Kostaras

James Kostaras is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 7 properties held through 2 holding companies. Recent mortgage relationships include Massachusetts Department of Housing and Community Development.

Contact info available

James's Activity

As of December 2025, public records show approximately $200k in recorded mortgage exposure linked to this investor across at least 1 mortgage filings and 7 properties held through 2 holding companies. Activity appears concentrated in residential assets recorded between 2015 and 2025.

Primary Geography

Boston-Worcester, MA-NH

ZIP codes: 02124, 02148, 02493, and 02131

Most recorded activity for this investor appears in BOSTON, MALDEN, and WESTON.

Property Type Breakdown

Residential100%

Associated Entities (2)

HABITAT FOR HUMANITY GREATER BOSTON INC

MA · 12 properties · 1 mortgage

nonprofit
Incorporated on 12/10/1987 in MAMailing Address: 434 MASSACHUSETTS AVE STE 201 BOSTON, MA 02118, BOSTON, 02132, MA, USA
HFHGB FUNDING CO LLC

MA · 0 properties · 0 mortgages

Mortgages (1)

DateAmountStatusLenderBorrowerAddress
09/19/2024$200kOpenMassachusetts Department of Housing and Community DevelopmentHABITAT FOR HUMANITY GREATER BOSTON INC104 WALTER ST,
BOSTON, MA 02131

+0 more not shown

Owned Properties (7)

AddressDeeded ownerStatusConsideration
0 WELLESLEY ST,
WESTON, MA 02493
153 WELLESLEY ST LLCSold$1.6M
104 WALTER ST,
BOSTON, MA 02131
HABITAT FOR HUMANITY GREATER BOSTON INCOwns - 15 mos$200k
964 MAIN ST,
MALDEN, MA 02148
LAILA BERRADSold$1.3M

+4 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in residential properties across Boston-Worcester, MA-NH.

What companies is James Kostaras associated with?

James Kostaras is associated with 2 entities based on extracted signatures from public records. Key entities include HABITAT FOR HUMANITY GREATER BOSTON INC and HFHGB FUNDING CO LLC.

How many properties are associated with this investor?

At least 7 properties are associated with James Kostaras and the entities they control, based on signatures extracted from recorded documents connecting James Kostaras to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references Massachusetts Department of Housing and Community Development, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2015 through 2025, with the most recent mortgage recorded in 2024.

How is associated activity determined?

Elementix uses AI to extract signatures from recorded documents. These signatures are used to determine the relationships between people and entities. This is a novel approach that goes beyond looking at corporate filings and skip-tracing.

The information displayed on this page is compiled from recorded real estate documents, business filings, and other lawfully available sources. Elementix summarizes and analyzes public record activity related to investment real estate and associated business entities. Any contact indicators shown (such as email domain references or partial phone digits) are provided solely as unverified signals and may be incomplete or outdated.

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